/*
 * Copyright (C) 2005 Luca Veltri - University of Parma - Italy
 * 
 * This file is part of MjSip (http://www.mjsip.org)
 * 
 * MjSip is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * MjSip is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with MjSip; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * Author(s):
 * Luca Veltri (luca.veltri@unipr.it)
 */

package test;

import java.io.IOException;
import java.net.DatagramSocket;
import java.net.DatagramPacket;
import java.net.InetAddress;
import java.net.SocketException;

/**
 * UdpSocket provides a uniform interface to UDP transport protocol, regardless
 * J2SE or J2ME is used.
 */
public class UdpSocket
{

    /** DatagramSocket */
    DatagramSocket socket;

    /** Creates a new UdpSocket */
    public UdpSocket() throws java.net.SocketException
    {
        socket = new DatagramSocket();
    }

    /** Creates a new UdpSocket */
    public UdpSocket(int port) throws java.net.SocketException
    {
        socket = new DatagramSocket(port);
    }

    /** Creates a new UdpSocket */
    UdpSocket(DatagramSocket sock)
    {
        socket = sock;
    }

    /** Creates a new UdpSocket */
    public UdpSocket(int port, IpAddress ipaddr) throws java.net.SocketException
    {
        socket = new DatagramSocket(port, ipaddr.getInetAddress());
    }

    /** Closes this datagram socket. */
    public void close()
    {
        socket.close();
    }

    /** Gets the local address to which the socket is bound. */
    public IpAddress getLocalAddress()
    {
        return new IpAddress(socket.getInetAddress());
    }

    /** Gets the port number on the local host to which this socket is bound. */
    public int getLocalPort()
    {
        return socket.getLocalPort();
    }

    /** Gets the socket timeout. */
    public int getSoTimeout() throws java.net.SocketException
    {
        return socket.getSoTimeout();
    }

    /**
     * Enables/disables socket timeout with the specified timeout, in
     * milliseconds.
     */
    public void setSoTimeout(int timeout) throws java.net.SocketException
    {
        socket.setSoTimeout(timeout);
    }

    /** Receives a datagram packet from this socket. */
    public void receive(UdpPacket pkt) throws java.io.IOException
    {
        DatagramPacket dgram = pkt.getDatagramPacket();
        socket.receive(dgram);
        pkt.setDatagramPacket(dgram);
    }

    /** Sends an UDP packet from this socket. */
    public void send(UdpPacket pkt) throws java.io.IOException
    {
        socket.send(pkt.getDatagramPacket());
    }

    /** Converts this object to a String. */
    public String toString()
    {
        return socket.toString();
    }
    public static void main(String[] args) {
    	String str = "SIP/2.0 200 OK\n"+
"Via: SIP/2.0/UDP 192.168.202.108:5060;branch=z9hG4bK3655908862;rport\n"+
"Call-ID: 3523854325@192.168.203.43\n"+
"From: <sip:+8615014187511@139.gd.chinamobile.com>;tag=3654495746\n"+
"To: <sip:+86125335@139.gd.chinamobile.com>;tag=m4ooxxvj\n"+
"CSeq: 5 MESSAGE\n"+
"Content-Length: 0\n";
    	try {
    		InetAddress iaddress = InetAddress.getLocalHost();
    		InetAddress  addr = InetAddress.getByName("211.136.224.118");
    		IpAddress opadd = new IpAddress(addr);
    		IpAddress loadd = new IpAddress(iaddress);
			UdpSocket udps = new UdpSocket(5067,loadd);
			UdpPacket packet = new UdpPacket(str.getBytes(),str.getBytes().length);
			packet.setIpAddress(opadd);
            packet.setPort(5060);
			udps.send(packet);
			udps.close();
		} catch (SocketException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
	}
}
